TABLE 1.

Strains constructed in this study

Name	Genotype
MFA25	Serovar Typhimurium ΔaroA ΔphoN::aph
MFA13	Serovar Typhimurium Δaro ΔshdA::aph
MFA12	Serovar Typhimurium ΔaroA ΔmisL::cat
MFA17	Serovar Typhimurium ΔaroA ΔmisL::cat ΔshdA::aph
MFA16	Serovar Typhimurium ΔaroA ΔratB::aph